Backrest for a motorized lift chair



FIG. 1 is a top perspective view of a backrest for a motorized lift chair embodying the present invention;

FIG. 2 is a front view of the backrest for a motorized lift chair of FIG. 1;

FIG. 3 is a rear view of the backrest for a motorized lift chair of FIG. 1;

FIG. 4 is a right side view of the backrest for a motorized lift chair of FIG. 1;

FIG. 5 is a left side view of the backrest for a motorized lift chair of FIG. 1; and,

FIG. 6 is a top view of the backrest for a motorized lift chair of FIG. 1.

The broken lines shown herein are for illustrative purposes only and form no part of the claimed design. 

CLAIM We claim the ornamental design for a backrest for a motorized lift chair, as shown and described. 